Fast, automated gamma correction

Display characterisation can be a time consuming, manual procedure, but ColorCAL helps to make it automated and fast. This compact bus-powered USB colorimeter measures CIE chromaticity coordinates and photopic luminance. The CIE 1931 XYZ data is returned to the computer using a virtual serial port interface which is straightforward to control and incorporate with a wide variety of software, including MATLAB and Python. Combine it with Psychtoolbox-3 and PsychoPy for easy gamma correction of your stimulus display.

Affordable accuracy

Each unit is precisely calibrated using a NIST-traceable spectroradiometer and appropriate light sources; the units contain multiple calibration matrices for use with LCD and OLED monitors. This approach provides the best possible accuracy at a very affordable price.

Easy set-up

ColourCAL is easy to position on your stimulus display using our counterbalanced cable solution or optional tripod mount.

Features

• Computer-controlled, bus powered USB colorimeter with an easy to use cross-platform software interface.
• Measures CIE chromaticity coordinates and luminance. Data is provided in CIE XYZ format.
• Integral fixed field-of-view lens allows the device to operate near or far from the display.
• Counterbalanced cable positioning solution to position the sensor.